Some human diseases appear to be due to protein agents that may convert other normal proteins in the cell to also become these agents.This new disease protein agent is called a(n)

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Prions are infectious agents that are composed of abnormal protein. They convert normal protein in the cell into the abnormal form, leading to disease. Archeons are single-celled organisms, cyanobacteria are photosynthetic bacteria, phages are viruses that infect bacteria, and retroviruses use RNA as their genetic material. None of these options accurately describe prions.

Some Human Diseases Appear to Be Due to Protein Agents